<!DOCTYPE html>
<html>
	<head>
		<title>Empty Cells</title>
		<style type="text/css">
			td {
				border: 1px solid #0088dd;
				padding: 15px;}
			table.one {
				empty-cells: show;}
			table.two {
				empty-cells: hide;}
		</style>
	</head>
	<body>
		<table class="one">
			<tr>
				<td>1</td>
				<td>2</td>
			</tr>
			<tr>
				<td>3</td>
				<td></td>
			</tr>
		</table>
		<table class="two">
			<tr>
				<td>1</td>
				<td>2</td>
			</tr>
			<tr>
				<td>3</td>
				<td></td>
			</tr>
		</table>
	</body>
</html>